/Engine/Source/Runtime/Engine/Classes/Components/SkeletalMeshComponent.h
Get float type attribute value.
Whether or not the atttribute was successfully retrieved
bool GetFloatAttribute ( const [FName](API\Runtime\Core\UObject\FName) & BoneName, const [FName](API\Runtime\Core\UObject\FName) & AttributeName, float DefaultValue, float & OutValue, ECustomBoneAttributeLookup LookupType )